The Celadon Gym is the Fourth gym of Kanto, it's located in Celadon City and its champion is Erika. Upon defeating her, you will recieve the Rainbow Badge, allowing your pokémon to use Strength and allowing you to trade with other players. You will also unlock the buying of TM 21 - Mega Drain.
|First trainer||Bellsprout||Atk 1|
|Second Trainer||Exeggcute||Def 1|
|Third Trainer||Ivysaur||SpA 1, SpD 1|
|Fourth Trainer||Gloom||SpA 2|
|Fifth trainer||Bellsprout||Atk 1|
|Sixth Trainer||Ivysaur||SpA 1, SpD 1|